/Engine/Source/Runtime/Core/Public/Containers/DiscardableKeyValueCache.h
This results in most recently used items being retained and older/unused items being evicted. The more often Swap is called the shorter the lifespan for items
template<class KeyType, class ValueType> class TDiscardableKeyValueCache
TypedMap*
BackfillMap
TypedMap*
CurrentMap
FRWLock
LockObject
TypedMap
Map1
TypedMap
Map2